Reversing-gearing.



RENDER. 'unv'asma GEARING. A APPLICATION `FILED 11130.27. 1911.

1,061, 1 90, Patented May 6, 1913.

2 SHEBTB-BHEBT 1.

F. LENDEB.. RBVBBSING GEABING. APPLIUATIOH r'ILn-D vso. 21, 1911.

Patented May 6, `1913.

.2 SHEETS-BHEBT 2.

Figl.

FRANCIS LENDER, OFST. PETERSBURG, RUSSIA.

REVERSINGGEARING.

noemen.

Specification of Letters Patent.

Patented MayG, 1913.

Application filed December 27, 1911. Serial No. 668,157.

To all whom t may concern:

Be it known that I, FRANCIS LENDER, a subject of the Russian Emperor, and resident of St. Petersburg, Russia, .have invent- -ed certain new and useful Improvements in ReversingGearing, of which the following is a specification.

The object of the invention is to provide a simple and effectual reversing gearing adapted to be operated to transmit rotary movement from a shaft which rotates constantly `in one direction toa shaft which is to be rotated in either of two directions.

With the above object in view the structure includes casing sections connected'together and in which is journaled a shaft. This shaft is operatively connected with a rod which in turn is operatively connected with the shaft which is to be rotated in either of two directions, a sleeve is xed upon the first mentioned .shaft and carries cups which contain friction rings. Bearings are provided for the reception of the sleeve and beveledgear wheels are journaled upon the bearings and are adapted to be engaged at different times by sets of frictlon rings so that one or the other of the said gear Wheels is caused to rotate with the sleeve or viceversa, the sleeve is caused to rotate with one or the other of the said beveled gear wheels. Means is provided for shifting the sleeve and the cups in order to cause one or the other of the set of rings to frictionally engage one of the beveled gear Wheels'. Another shaft is journaled in the casing and means is provided for rotating the last mentioned Shaft constantly 1n one direction. A beveled gear wheel is carried lat the inner end of the last mentioned shaft and meshes with both of the beveled gear Wheels hereinbefore mentioned. Y

In the accompanying drawings :--F1gure 1 is a vertical sectional View ofthe reversing gearing. Fig. 2 .is a transverse sectional View of the same cut onthe line C-C of Fig. 1 with a section taken through a rod of the mechanism at or about the point indicated by the arrow D in Fig. 1.` Fig. 3 is a longitudinal sectionalview ofthe gear taken at a right angle to the v1ew illustrated in Fig. l. Fig. l is a side elevation of the 4reversing gearing. Fig. 5 is a transverse :sectional view of the gearing taken on the line E-E of Fig. 1. Fig. 6 is a similar view taken on the line F--F of Fig. l.

The device includes casing sections e1, e2 and e3 connected to each other in any suitable manner in the orderv in which they are named. A casing section a, is connected to the end of the casing section el. A rod c, is

Journaled in the casing section a, and is provided with an external thread which is engaged by a nut cl. The nut d is provided at its sldes with gudgeons d1 which lie between the branched ends of a fork b1. The fork b1 is connected in any suitable manner with the shaft the axis 'of which is indicated at 'O in Fig. 1 of the drawing. As the rod c is rotated in one direction or the other, the nut ci is moved alon the said rod. When the nut is in the osition indicated at the line I in Fig. l, it 1s located midway between the ends of the thread ofthe rod c and at this time the rod c is at a state of rest as will be hereinafter explained. Whenever the nut d is in alinement with either of the lines II or III as indicated in Fig. 1, the rod c is rotating in one direction or in an opposite direction or is brought to a state of rest as will be hereinafter explained. Bearings Z, Z2, are located within the casing section e and the sleeve L is ,journaled in said bearings. A shaft f is located in the sleeve 71. and one en'd of the shaft f is connected with the rod c, by means of a clutch device indicated at g in Fig. 1. A ring z' is fixed to one end of the shaft f and is provided at its inner edge with teeth which engage the end of the sleeve z.. A cap 7c closes one end of the casing section e and houses the ring A beveled gear wheel `al 1s loosely Journaled on the bearing Z1 and is held thereon b v means of a nut ml which is screw threaded upon one end portion of the said bearing Z1. A cup ,r/l is fixed to one end portion of the sleeve t and is provided with oil ports M. Rings K and I are locatedin the cup g1. The rings K are of metal and the rings I are made of fiber. These two kind of rings are alternately arranged and the inner edges of the rings K bear against the hub of the wheel nl and are provided with roil holes or notches K1 and the rings K are held against rotation with relationk to thev wheel nl by meansof blocks which are inserted through registering recesses in the hub of the Wheel nland the set. of rings rIhev outer edges of the rings I bear against the inner Asurfaces of the cup g1 and are held against rotation by means of blocks H which are inserted in rcgisteringre'cesses provided in the cup g1 and the said rings I. rIhe rings I are provided at their outer edges With oil holes o1' notches J. A cup g2 is xed to the inner end portion of the sleeve h and is held by means of' a nut m2 which is screw threaded vupon the said sleeve. The cup g2 is provided with oil holes or ports M and the set of rings K and I as hereinbefore described in connection With the cup g1 is located in the cup-g2 and is adapted to cooperatewith the beveled gear Wheel 11.2 which is journaled uponthe bearing Z2. A nut t is fixed to the intermediate portion of the sleeve h and is provided upon its exterior with teeth or a thread as clearly indicated in Figs. l and 3 of the drawing. l A shaft v is journaled in the casing section. e2 and is provided with fixed teeth u which engage the teeth or thread of the nut t. An arm w isfixed to the outer end of lthe shaft @and is connected with an operating rod m. A shaft p is journaled in the bearing g Which'is attached to. the side of the casing section e2 and thebeveled gear Wheel p1 is carried by the inner end of the shaft p.

This Wheel p1 meshes with both of the` wheels nl and n2. A spring s is interposed between the shoulder provided at the outer end of the shaft p and is under tension With a tendency to hold the outer side of the Wheel p1 in close contact with lthe inner end of the bearing g. Sprocket Wheel r is fixed to the. shaft p and 1s adapted to' be driven b. a chain indicated at N in Fig. 4 from a s aft A. The shaft A rotates constantly in one direction and through the. chain N the shaft p is constantly rotated in a corre-v sponding direction.

The parts are so arranged that when the arm lw is disposed at a right langle to the 4 length of the casing made up of the sections e1, e2, and e3 as shown in Fig. 4 of the drawing the nut d will be in the position indicated at the line I in Fig. l of the drawing. The arts may be brought to this adjustmentlhy properly positioning thering z' upon the shaft f so, that the teeth .'1 tof the said ring engages the end of the sleeve h. In other Words the ring fi is 'used to adjustably tix the'shaftf With relation to the sleeve h.

When the 'rod a: moved longitudinally in one direction the arm lw is swung, which in turn partially rotates the shaft c. The teeth u carried by the shaft c move the nut t, whichin turn moves the sleeve 7L' and the shaft 'f so that one or the "other of the series of rings carried by the cups g1 o rg" will frietionally engage the adjacent wheel alorn2.` These Wheels 11.1- and; n2 constantly ro.-

tate, inasmuch'as they mesh With the Wheel p1 carried by the inner en d of the shaft p or inasmuch as they engage the Wheels p1 at opposite sides, the saidv Wheels nl and n2 rotate in opposite directions. Consequently when the rings carried in the cup g1 frictionally engage the wheel nl the sleeve t and shaft f are rotating in one direction. But vvhen the rings carried in the cu'p g2 are brought into frictional engagement With the Wheel 71.2, the sleeve 71, and the'shaft f are rotating in an oppositedirectiom Inasmuch as the rod c rotates in unison with the shaft f, the nut d- Will be moved by the thread of the rod c toward: on'e end or the other of the said rod and consequently the shaft Whose axis is indicated at 0 is turned in one direction or the other. This shaft may be that of a rotor or steering mechanism and the rod m may be moved longitudinally to cause the reversing of the movement from the shaft p to., the shaft f as hereinbefore indicated. It is of course. to. be understood that the movement of the sleeve it and the shaft f is very slight, as it requires only just enough movement to bind one or the other of the said friction rings against the. wheels nl or n.2.

The oil ports or notches hereinbefore-mentioned are adapted to permit the part-s to. be lubricated during their operation as the casing of which the sections el, e2 and e3 are components arejlilledl with oil.

Having described the invention what claimed, is:

1. Reversing gearing comprising a casinghaving bearings located therein, a sleeve. journaled in the bearings, a shaft located 'i 1 the sleeve and adjustably connected to the same, means, for moving the sleeve longitudinally, wheels journaled upon the bearings, cups fixed to the sleeve, friction rings located in the cups adjacent the said Wheels, a shaft journaled in the casing forv rotation in one sleeve, wheels journaled upon the bearings,

cups fixed to the sleeve, vfriction rings carried' by the cups and adapted to. engage the said Wheels7 a'shaft journaled for. rotation in one direction and a Wheelcarried by the last mentioned shaft and engagingthe. first.

mentioned wheels. h

3. Reversing gearing comprislnga casing, bearings located in the casing, a sleeve jonrnaled in the bearings, a shaft located in the sleeve, a ring adjustably attached to the tioned shaft and engaging the first men 10 shaft and having teeth which en age the tioned wheels." sleeve, Wheels journaled upon the earings, In testimony `whereof I have hereunto set cups carried by the sleeve, friction rings lomy hand in presence of two Witnesses.

cated in the cups and adapted tooperate against the said wheels,'means for moving Y FRANCIS LENDER the sleeve longitudinally, a shaft journaled Witnesses: in the casing 'for rotation in one direction H. A. LOVIAGUIRE,

only and a wheel carried by the last men- H. L. MoLcUnYNsno. 

